Hsin-Po's Website

Hsin-Po Wang

Postdoc @ UC Berkeley, Department of EECS

How to pronounce my name?



Email = a dot simple dot people at g mail dot com
Social media = Instagram + Twitter + StackExchange


Interests = information theory; coding theory; polar code; distributed system; application of algebra and combinatorics.

For meta-comments of my works categorized by topics, see:

I have once computed, on a supercomputer, the Tutte–Whitney polynomials of Reed–Muller codes of length 64. This GitHub repository keeps the source codes, comments, and results.

Conference Publications

  1. H.-P. Wang, R. Gabrys, V. Guruswami. Quickly-Decodable Group Testing with Fewer Tests: Price-Scarlett’s Nonadaptive Splitting with Explicit Scalars. IEEE International Symposium on Information Theory (ISIT), June 2023.

  2. H.-P. Wang, V. Guruswami. How Many Matrices Should I Prepare to Polarize Channels Optimally Fast?. IEEE International Symposium on Information Theory (ISIT), June 2023.

  3. T.-C. Lin, H.-P. Wang. Optimal Self-Dual Inequalities to Order Polarized BECs. IEEE International Symposium on Information Theory (ISIT), June 2023.

  4. H.-P. Wang, C.-W. Chin. Density Devolution for Ordering Synthetic Channels. IEEE International Symposium on Information Theory (ISIT), June 2023.

  5. H.-P. Wang, V.-F. Dragoi. Fast Methods for Ranking Synthetic BECs. IEEE International Symposium on Information Theory (ISIT), June 2023.

  6. I. Duursma, R. Gabrys, V. Guruswami, T.-C. Lin, H.-P. Wang. Accelerating Polarization via Alphabet Extension. International Conference on Randomization and Computation (RANDOM), September 2022. (Full version and animation.)

  7. H.-P. Wang, R. Gabrys, A. Vardy. PCR, Tropical Arithmetic, and Group Testing. IEEE International Symposium on Information Theory (ISIT), June 2022. (Full version and slides @ ISIT.)

Journal Publications

  1. H.-P. Wang, T.-C. Lin, A. Vardy, R. Gabrys. Sub-4.7 Scaling Exponent of Polar Codes. IEEE Transactions on Information Theory. (Not open access; preprint.)

  2. I. Duursma, H.-P. Wang. Multilinear Algebra for Minimum Storage Regenerating Codes: A Generalization of Product-Matrix Construction. Applicable Algebra in Engineering, Communication and Computing, October 2021. (Not open access; author copy.)

  3. I. Duursma, X. Li, H.-P. Wang. Multilinear Algebra for Distributed Storage. SIAM Journal on Applied Algebra and Geometry (SIAGA), September 2021. (Not open access; preprint.) (15-minute video presentation and slides @ SIAM AG21.)

  4. H.-P. Wang, I. Duursma. Log-logarithmic Time Pruned Polar Coding. IEEE Transactions on Information Theory, March 2021.

  5. H.-P. Wang, I. Duursma. Polar Codes’ Simplicity, Random Codes’ Durability. IEEE Transactions on Information Theory, March 2021. (Slides @ NTU and slides @ UIUC and slides @ Princeton.)

Education & Positions

Duke University
Winter 2022

Postdoc in Electrical Engineering and Computer Sciences
Supervisor = Venkatesan Guruswami
University of California, Berkeley
October 2022–

National Taiwan University
Summer 2022
Taught a small, short lecture on polar codes. (Lecture notes)

Postdoc in Electrical and Computer Engineering
Supervisor = Alexander Vardy
Supervisor += Ryan Gabrys
University of California San Diego
October 2021–September 2022

National Center for Theoretical Sciences (國家理論科學研究中心)
Winter 2020

Ph.D in Mathematics
Advisor = Iwan Duursma
University of Illinois Urbana-Champaign

Bachelor of Science in Mathematics
National Taiwan University (國立臺灣大學)

Awards & Honors

Irving Reiner Memorial Award in Algebra

Research Assistant Fellowship
Spring 2020

Teacher ranked as excellent by their students
Fall 2019 & Spring 2019 & Spring 2018

Book–Scroll Award (for top 5% GPA)
Fall 2015 & Spring 2014 & Spring 2013 & Fall 2012 & Spring 2012 & Fall 2011

蕭正堂紀念獎學金 (Prof. Cheng-Tang Hsiao Memorial Scholarship)

胡達開先生紀念獎學金 (Prof. Ta-Kai Hu Memorial Scholarship)

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2011 & 2009


2022 International Mathematics Competition
2022 International Young Mathematicians Convention

in a remote middle-school as an alternative to the mandatory military service.

TikZ TeX Talk collects some of my ideas for (La)TeX and TikZ.

Vaseman is about drawing people that look like vases. (Data plan warning: scans of drawings!)

Oriclip is about binder clip sculptures. (Data plan warning: a lot of photos!)